CA BrightStor ARCserve Backup Tape Engine Buffer Overflow Vulnerability

2007-01-11T00:00:00
ID ZDI-07-004
Type zdi
Reporter Tenable Network Security
Modified 2007-11-09T00:00:00

Description

This vulnerability allows attackers to execute arbitrary code on vulnerable installations of Computer Associates BrightStor ARCserve Backup. User interaction is not required to exploit this vulnerability.

The specific flaw exists in the Tape Engine RPC service which listens by default on TCP port 6503 with the following UUID:

2b93df0-8b02-11ce-876c-00805f842837

The service exposes a buffer overflow in the handler for RPC opnum 0xCF that allows for arbitrary code execution when handling user-supplied data from the RPC request.